$114+ Cheap flights from Incheon Intl (ICN) to Singapore (SIN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SIN
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Incheon Intl to Singapore with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Incheon Intl to Singapore Changi are usually found in September or April, booked 44 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Incheon Intl to Singapore
Cheapest
Best
Last-minute
One-way
Cheapest flights from Incheon Intl to SingaporeExplore the most affordable flight options available from Incheon Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Incheon Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This T'way Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm -
Nonstop6h 40m
Mon 9/1411:00 pm -
Nonstop6h 45m
Deal found 8/11![T'way Air logo]()
$263
This T'way Air deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:50 pm -
Nonstop6h 40m
Wed 9/911:00 pm -
Nonstop6h 45m
Deal found 8/10![T'way Air logo]()
$265
This Jeju Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:10 pm -
Nonstop6h 30m
Wed 9/212:50 am -
Nonstop6h 50m
Deal found 8/13![Jeju Air logo]()
$266
This T'way Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:50 pm -
Nonstop6h 40m
Sun 9/611:00 pm -
Nonstop6h 45m
Deal found 8/11![T'way Air logo]()
$267
This Vietnam Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:05 pm -
1 stop18h 50m
Tue 9/151:05 pm -
1 stop15h 45m
Deal found 8/11![Vietnam Airlines logo]()
$268
This Vietnam Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:55 pm -
1 stop24h 30m
Thu 9/109:00 pm -
1 stop18h 25m
Deal found 8/14![Vietnam Airlines logo]()
$269
This Vietnam Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 pm -
1 stop21h 45m
Wed 9/169:00 pm -
1 stop18h 25m
Deal found 8/11![Vietnam Airlines logo]()
$270
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:50 pm -
Nonstop6h 40m
Tue 9/812:25 pm -
1 stop8h 20m
Deal found 8/12![Multiple Airlines logo]()
$271
This Vietnam Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:05 pm -
1 stop18h 50m
Mon 9/213:50 pm -
1 stop13h 00m
Deal found 8/10![Vietnam Airlines logo]()
$272
This Jeju Air deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:10 pm -
Nonstop6h 30m
Sat 9/1912:50 am -
Nonstop6h 50m
Deal found 8/12![Jeju Air logo]()
$273
This Jeju Air deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:10 pm -
Nonstop6h 30m
Wed 9/3012:50 am -
Nonstop6h 50m
Deal found 8/9![Jeju Air logo]()
$274
Best flights from Incheon Intl to SingaporeDiscover carefully curated flight deals from Incheon Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Incheon Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This T'way Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:50 pm -
Nonstop6h 40m
Sun 9/611:00 pm -
Nonstop6h 45m
Deal found 8/11![T'way Air logo]()
$263
This Shandong Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shandong Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:15 pm -
1 stop26h 55m
Sun 9/201:15 am -
1 stop19h 00m
Deal found 8/11![Shandong Airlines logo]()
$264
This Jeju Air deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:10 pm -
Nonstop6h 30m
Wed 9/1612:50 am -
Nonstop6h 50m
Deal found 8/14![Jeju Air logo]()
$269
This Vietnam Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:05 pm -
1 stop18h 50m
Mon 9/143:50 pm -
1 stop13h 00m
Deal found 8/12![Vietnam Airlines logo]()
$270
This T'way Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm -
Nonstop6h 40m
Mon 9/1411:00 pm -
Nonstop6h 45m
Deal found 8/13![T'way Air logo]()
$263
This Vietnam Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:55 pm -
1 stop19h 15m
Mon 10/129:00 pm -
1 stop18h 25m
Deal found 8/10![Vietnam Airlines logo]()
$282
This Jeju Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 pm -
Nonstop6h 30m
Sun 10/1112:50 am -
Nonstop6h 50m
Deal found 8/13![Jeju Air logo]()
$305
This Vietnam Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:05 pm -
1 stop22h 05m
Sun 11/294:20 pm -
1 stop23h 10m
Deal found 8/9![Vietnam Airlines logo]()
$287
This Vietnam Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:35 am -
1 stop29h 35m
Fri 11/271:25 pm -
1 stop26h 05m
Deal found 8/9![Vietnam Airlines logo]()
$287
This Jeju Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:10 pm -
Nonstop7h 00m
Sun 11/151:10 am -
Nonstop6h 30m
Deal found 8/13![Jeju Air logo]()
$319
Last-minute flights from Incheon Intl to SingaporeDiscover last-minute flight deals from Incheon Intl to Singapore. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to Singapore. Data last updated August 14, 2026 and is based on user searches.
This Jeju Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:10 pm -
Nonstop6h 30m
Wed 9/212:50 am -
Nonstop6h 50m
Deal found 8/13![Jeju Air logo]()
$266
This T'way Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:50 pm -
Nonstop6h 40m
Sun 9/611:00 pm -
Nonstop6h 45m
Deal found 8/11![T'way Air logo]()
$267
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:50 pm -
Nonstop6h 40m
Tue 9/812:25 pm -
1 stop8h 20m
Deal found 8/12![Multiple Airlines logo]()
$271
This T'way Air deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:50 pm -
Nonstop6h 40m
Wed 9/911:00 pm -
Nonstop6h 45m
Deal found 8/10![T'way Air logo]()
$265
This Vietnam Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 pm -
1 stop21h 45m
Wed 9/169:00 pm -
1 stop18h 25m
Deal found 8/11![Vietnam Airlines logo]()
$270
This Vietnam Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:55 pm -
1 stop24h 30m
Thu 9/109:00 pm -
1 stop18h 25m
Deal found 8/14![Vietnam Airlines logo]()
$269
This T'way Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm -
Nonstop6h 40m
Mon 9/1411:00 pm -
Nonstop6h 45m
Deal found 8/11![T'way Air logo]()
$263
This Vietnam Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:05 pm -
1 stop18h 50m
Tue 9/151:05 pm -
1 stop15h 45m
Deal found 8/11![Vietnam Airlines logo]()
$268
This Jeju Air deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:10 pm -
Nonstop6h 30m
Wed 9/1612:50 am -
Nonstop6h 50m
Deal found 8/12![Jeju Air logo]()
$273
This Vietnam Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:05 pm -
1 stop18h 50m
Mon 9/213:50 pm -
1 stop13h 00m
Deal found 8/10![Vietnam Airlines logo]()
$272
This Jeju Air deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:10 pm -
Nonstop6h 30m
Wed 9/3012:50 am -
Nonstop6h 50m
Deal found 8/9![Jeju Air logo]()
$274
One-way flights from Incheon Intl to SingaporeSearch for one-way flight options from Incheon Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Incheon Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This T'way Air deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:30 pm -
Nonstop6h 55m
Deal found 8/14![T'way Air logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:00 am -
Nonstop6h 25m
Deal found 8/10![Scoot logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 am -
Nonstop6h 25m
Deal found 8/11![Scoot logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:45 am -
1 stop13h 20m
Deal found 8/11![Shandong Airlines logo]()
$124
This OneTravel deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:10 pm -
1 stop33h 55m
Deal found 8/10![Shandong Airlines logo]()
$125
This Shandong Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shandong Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:45 am -
1 stop13h 25m
Deal found 8/11![Shandong Airlines logo]()
$126
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 am -
1 stop13h 10m
Deal found 8/13![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:00 pm -
1 stop8h 00m
Deal found 8/11![Scoot logo]()
$128
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:10 am -
1 stop13h 10m
Deal found 8/12![Multiple Airlines logo]()
$129
This Jetabroad deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:40 pm -
1 stop25h 30m
Deal found 8/13![Shandong Airlines logo]()
$130
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 am -
1 stop13h 10m
Deal found 8/13![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 pm -
2 stops30h 20m
Deal found 8/12![Multiple Airlines logo]()
$134
Find flight deals from Incheon Intl to Singapore
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (T'way Air) |
One-way from | $114 (T'way Air) |
Popular in | October |
Cheapest in | September |
Average price | $364 |
Good round-trip deal | $363 or less |
Good one-way deal | $179 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Thu 9/3
3:50 pm-9:30 pm
Nonstop6h 40m
Singapore Changi
Sun 9/6
11:00 pm-6:45 am
Nonstop6h 45m
$263
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Fri 9/11
3:50 pm-9:30 pm
Nonstop6h 40m
Singapore Changi
Mon 9/14
11:00 pm-6:45 am
Nonstop6h 45m
$263
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Thu 9/17
10:15 pm-12:10 am
1 stop26h 55m
Singapore Changi
Sun 9/20
1:15 am-9:15 pm
1 stop19h 00m
$264
Quickest round-trip
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Sun 9/13
6:10 pm-11:40 pm
Nonstop6h 30m
Singapore Changi
Wed 9/16
12:50 am-8:40 am
Nonstop6h 50m
$269
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Fri 9/11
6:05 pm-11:55 am
1 stop18h 50m
Singapore Changi
Mon 9/14
3:50 pm-5:50 am
1 stop13h 00m
$270
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Fri 10/9
5:55 pm-12:10 pm
1 stop19h 15m
Singapore Changi
Mon 10/12
9:00 pm-4:25 pm
1 stop18h 25m
$282
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Sat 11/21
6:05 pm-3:10 pm
1 stop22h 05m
Singapore Changi
Sun 11/29
4:20 pm-4:30 pm
1 stop23h 10m
$287
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Sat 11/21
10:35 am-3:10 pm
1 stop29h 35m
Singapore Changi
Fri 11/27
1:25 pm-4:30 pm
1 stop26h 05m
$287
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Fri 10/9
6:10 pm-11:40 pm
Nonstop6h 30m
Singapore Changi
Sun 10/11
12:50 am-8:40 am
Nonstop6h 50m
$305
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Thu 11/12
6:10 pm-12:10 am
Nonstop7h 00m
Singapore Changi
Sun 11/15
1:10 am-8:40 am
Nonstop6h 30m
$319
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Incheon Intl to Singapore
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Singapore in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Singapore flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Incheon Intl to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Incheon Intl with our price prediction graph.
ICN-SIN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Incheon Intl Airport to Singapore
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How far ahead should I book a flight from Incheon Intl Airport to Singapore?
The best time to book flights from Incheon Intl Airport to Singapore is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Incheon Intl Airport to Singapore?
Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of $280). Flying from Incheon Intl Airport to Singapore in October is currently the most expensive (average of $500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ICN to SIN?
Find hourly flight availability from Incheon Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2026.
One of the essential ways to save on airfare from Incheon Intl Airport to Singapore is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 28% on airfare.
What is the cheapest day to fly from Incheon Intl Airport to Singapore?
Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Singapore. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Incheon Intl Airport to Singapore flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Incheon to Singapore delayed?
About 16% of weekly flights between Incheon and Singapore have experienced delays in the past year, with the average delay time being 117 minutes.
What is the most punctual flight time for Incheon to Singapore flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Singapore flights?
Over the last year, T'way Air have had the lowest number of delays on this route, with just 10% of flights being delayed.
What’s the top layover airport for flights from Incheon Intl Airport to Singapore?
Share of 1-stop round-trip flights from Incheon Intl Airport to Singapore chosen by Cheapflights users in the past 12 months, using the same layover each way.
Ho Chi Minh City (SGN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Incheon Intl Airport to Singapore on Cheapflights.
What’s the cheapest layover airport for flights from Incheon Intl Airport to Singapore?
Average round-trip fare for 1-stop flights from Incheon Intl Airport to Singapore, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Hanoi (HAN) is the most affordable 1-stop option, with an average round-trip price of $236.
What’s the fastest layover option from Incheon Intl Airport to Singapore?
Shortest average travel time for 1-stop one-way flights from Incheon Intl Airport to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Ho Chi Minh City (SGN) have the shortest average one-way travel time for 1-stop routes: 9h 50m.
Which airport typically offers the quickest layover for flights from Incheon Intl Airport to Singapore?
Average layover duration for 1-stop one-way flights from Incheon Intl Airport to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Ho Chi Minh City (SGN) offer the fastest connection on this route, with an average layover time of 2h 05m.
The best insider tips for Incheon Intl Airport to Singapore flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Singapore trip
Our travel experts
Reviews of airlines servicing Singapore
Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated August 14, 2026.
Peruse reviews from past customers who have flown with Korean Air,Singapore Airlines, andAsiana Airlines from Incheon Intl Airport to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
8.1
Overall
8.4
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Food
8.1
Overall
8.4
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Food
8.1
Overall
8.4
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Food
8.1
Overall
8.4
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Food
8.1
Overall
8.4
Entertainment
8.2
Crew
8.7
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Incheon Intl and Singapore flights
Browse other Incheon Intl and Singapore flight options. Last updated on August 14, 2026.
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Top 7 airlines flying from Incheon Intl to Singapore
Discover the top 7 airlines that operate flights from Incheon Intl to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$266 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$128 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$270 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$295 | Average$606 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$310 | Average$649 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$312 | Average$480 | FlexibilityNo cancel fee | On-time81% |